Home / 18,972.46-26,182.88-10,475.79

Finding the Fourth Proportional to 18,972.46, 26,182.88 and 10,475.79

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Solution

The fourth proportional to 18,972.46, 26,182.88 and 10,475.79 is: 14,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.46 : 26,182.88 = 10,475.79 : x
  2. Step 2: Convert to fraction form
    18,972.46/26,182.88 = 10,475.79/x
  3. Step 3: Cross multiply
    18,972.46x = 26,182.88 × 10,475.79
  4. Step 4: Simplify right side
    18,972.46x = 274,286,352.48
  5. Step 5: Solve for x
    x = 274,286,352.48/18,972.46
  6. Step 6: Final answer
    x = 14,457.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.